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Installation Procedure
Step 9 Performing the gas leak test
LEAK TEST WITH NITROGEN (before opening valves)
In order to detect basic refrigerant leaks, before recreating
the vacuum and recirculating the R-32, it is the responsibility
of the installer to pressurize the whole system with nitrogen
(using a cylinder with pressure reducer) at a pressure above
0.2MPa, less than 4.0MPa (gauge).
LEAK TEST WITH R-32 (after opening valves)
Before opening valves, discharge all the nitrogen from the
system and create vacuum. After opening valves check for
leaks using a leak detector for refrigerant R-32.
Once you have completed all the connections, check for
possible leaks using leak detector specifically designed for
HFC refrigerants.
A (Gas)
B (Liquid)
Step 10 Insulating the refrigerant
pipes
Once you have checked that there are no leaks in the
system, you can insulate the piping and hose.
1 To avoid condensation problems, place an insulator
around each refrigerant pipe.
No gap
NBR
NOTE
• When insulate the pipe, be sure to overlap the insulation.
• The insulation has to be produced in full compliance
of European regulation reg. EEC / EU 2037/ 2000 that
requires the use of sheaths insulation form without using
CFC and HCFC gases for health and the environment.
CAUTION
• When insulating the pipe, use non-slit insulator.
2 Select the insulation of the refrigerant pipe.
• Insulate the gas side and liquid side pipe referring to
the thickness according to the pipe size.
• Less than Indoor temperature of 30°C and humidity
of 85% is the standard condition. If installing in a high
humidity condition, use one grade thicker insulator
by referring to the table below. If installing in an
unfavourable conditions, use thicker one.
• Insulator’s heat-resistance temperature should be
more than 120°C.
Pipe Pipe size
Insulation Type
(Heating/Cooling)
Remarks
Standard
[Less than
30°C, 85%]
High
humidity
[over 30°C,
85%]
EPDM, NBR
Liquid
pipe
Ø6.35~Ø9.52 9 t 9 t
Internal
temperature
is higher
than 120°C
Ø12.7~Ø19.05 13 t 13 t
Gas pipe
Ø6.35 13 t 19 t
Ø9.52~Ø19.05 19 t 25 t
• When installing insulation in places and conditions
below, use the same insulation that is used for high
humidity conditions.
Installation Procedure
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Productinformatie
| Merk | Samsung |
| Model | AC071FCADKF |
| Categorie | Airco |
| Taal | Nederlands |
| Grootte | 4533 MB |
